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Interference এর জন্য নীচের যে শর্তটি প্রযোজ্য-
A ৩টি আলোক উৎস প্রয়োজন
B আলোর উৎসে দূরে অবস্থান
C তরঙ্গ দৈর্ঘ্য সমান
D বিস্তার অসমান
ব্যতিচারের ক্ষেত্রে উজ্জল বা গঠনমূলক ঝালরের শর্ত কোনটি? (Condition for the constructive interference is: )
A a sinθ=(2n+1)λ2
B a sinθ=nλ
C a sinθ=nλ2
D a sinθ=(2n+1)λ
ব্যতিচারের ক্ষেত্রে উজ্জল বা গঠনমূলক ঝালরের শর্ত কোনটি? (Condition for the constructive interference is:)
A asinθ=2n+1γ2
B asinθ=nγ
C asinθ=nγ2
D asinθ=2n+1γ
In gears, interference takes place when
A the tip of a tooth of a mating gear digs into the portion between base and root circles
B gears do not move smoothly in the absence of lubrication
C pitch of the gears is not same
D gear teeth are undercut
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the
A tip of the gear tooth and flank of pinion
B tip of the pinion and flank of gear
C flanks of both gear and pinion
D tip of both gear and pinion
The Act constituting the first legislative interference by the British Parliament in the affairs of India was the
A Fox's India Act, 1783
B Pitti's India Act, 1784
C Regulating Act, 1773
D Declaratory Act, 1781
The inductive interference between power and communication line can be minimized by
A transposition of the power line
B transposition of the communication line
C both (A) and (B)
D increasing the distance between the conductors
When your hard drive crashes from any of the correct selections in the question above, or from dropping it, it is known as head-to-disk interference, or HDL
A True
B FALSE
C loop backs (wrap plugs)
D sniffer
E None of the above
In microwave transmission using digital radio, what causes most intersymbol interference?
A Delayed spreading
B Rayleigh fading
C Random Doppler shift
D Slow fading
The maximum number of jets, generally, employed in an impulse turbine without jet interference are
A Two
B Four
C Six
D Eight

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